圆角btn

gistfile1.css

.s-btn {
        display: inline-block;
        zoom: 1;
        -moz-border-radius: 2px;
        -webkit-border-radius: 2px;
        border-radius: 2px;
        -moz-box-shadow: 0 1px 1px #e4e4e4;
        -webkit-box-shadow: 0 1px 1px #E4E4E4;
        box-shadow: 0 1px 1px #E4E4E4;
        border: 1px solid #C1C8D1;
        background: #E8EBEE repeat-x left top;
        background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAaCAMAAABB2sbjAAAABGdBTUEAAK/INwWK6QAAABl0RVh0U29mdHdhcmUAQWRvYmUgSW1hZ2VSZWFkeXHJZTwAAABLUExURfr6+u/x8vn5+evt8PDx8/f3+O3v8fL09ert7+7w8vj5+fHy9PP09fX29vn5+vb29/j4+Ozv8ens7vHz9Ors7+zu8PT19vb39+jr7o1eMgUAAAAwSURBVHjaBMEJAkAgAACw5U6OKPT/l9pw6Kyy0ee0e21mRTIIosnl0VtUt6b9AgwAHVwBRWidGukAAAAASUVORK5CYII=);
        -background-image: none;
        padding: 3px 18px;
        _padding-bottom: 2px;
        cursor: pointer;
        text-decoration: none;
        color: black;
    }
    .s-btn:hover {
        border-color: #E8CCA0;
        background: #F5E7CE repeat-x left top;
        background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAaCAMAAABB2sbjAAAABGdBTUEAAK/INwWK6QAAABl0RVh0U29mdHdhcmUAQWRvYmUgSW1hZ2VSZWFkeXHJZTwAAABLUExURffq0/714vvv2//14/3z4P704f/25Prv2vfp0v3z3/bo0PXnzvjr1Pru2P3y3vbnz/nt1vfp0frt1/boz/ns1fjr0/vw3P704vzx3TmdOkEAAAAxSURBVHjaDMKHDYAgAACw4kYcKDj+v1TTGrSCR68Tbd7frTFanbJqcWFymBW79AkwAB6YAUX9IeEjAAAAAElFTkSuQmCC);
        -background-image: none;
        cursor: pointer;
        color: black;
        text-decoration: none;
    }